Shred the cabbage finely in the food processor or with a knife.,Coarsely shred the carrots.,______,Mix well and place in a 2 1/2 to 3 quart glass storage jar or canister.,Combine vinegar, sugar, poppy seeds, mustard seeds, salt and pepper in medium saucepan.,Heat to boiling; cover and simmer 5 minutes.,Stir in oil and cool slightly.,Pour dressing over cabbage mixture in storage jar (make sure dressing is cool enough to pour into glass jar).,Cover and chill at least 24 hours before serving, stirring once or twice.